Question about 2002 Mercury Mountaineer

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2002 mercury grand marquis, turn signal and running lights not working

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There could be a number of things that could/would cause this issue, so I would start with the simplest things first. I recommend that you check the fuse panel, and thoroughly inspect the fuse that controls the running lamps, as well as the turn signal. If you find that the fuse is not the issue, I then recommend that you check each one of the connections at each lamp, both front and rear. If that isn't the issue, you will want to check the bulbs, make sure that you inspect the bulb thoroughly as well. Even if the filament is intact, do not dismiss it as being okay. I have seen on several occasions where the filament is fine and the connection points where the bulb makes contact with the socket are faulty. If that is not the issue, then you could be looking at either a light switch issue, or even worse an electrical issue.
I hope that you have found this information to be useful, and if I can be of any further assistance, please let me know. Thank you for using fixya!

Posted on Aug 01, 2013

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6ya6ya
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Posted on Jan 02, 2017

billshoff
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SOURCE: turn signals dont work brake lights dont work

You didn't mention your rear brake lights. If they don't work either then you probably have a bad light control module (LCM). This is a common problem with big Fords. You can buy a replacement part ($250) or have yours rebuilt (www.autoecu.com). The module is located under the dash to the right of the steering column and is fairly easy to replace.
Do the turn signals work? If not it may be the turn signal switch. The aftermarket parts are cheaper than a Ford factory part; check the guarantee before deciding.
Worse case scenario? You need both parts.

Posted on May 01, 2009

Monster80
  • 460 Answers

SOURCE: Parking and dash light wont turn on. Headlights will turn on.

Sounds like the the parking light fuse blew.Under the dash there is a fuse block.you will see fuses there and remove the fuse to see if blown.If so replace with same type fuse.Anymore questions will be glad to help you...

Posted on Mar 30, 2009

  • 5 Answers

SOURCE: 1994 Mercury Grand Marquis Check Engine Light Code 332

its the tube going from the egr valve to your exhaust it have carbon build up and you either have to replace it or get a metal coat hanger and clean it out.

Posted on Sep 26, 2009

  • 1 Answer

SOURCE: How do I replace the front turn signal bulb

unscrew the headlight bezzle (there are four or six screws) pull the bulb casing out, twist out the old bulb and insert the new one.

Posted on Oct 20, 2009

  • 564 Answers

SOURCE: how to replace starter +1993 Mercury Grand Marquis

disconnect battery,,jack car up,,put jack stand on frame,,take starter bolts out,(may not be easy),,take wires off starter,,hoped it helped,,

Posted on May 08, 2010

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